PHP ccache_update函数代码示例

 private function catchupArticleById($id, $cmode)
 {
     if ($cmode == 0) {
         $this->dbh->query("UPDATE ttrss_user_entries SET\n\t\t\tunread = false,last_read = NOW()\n\t\t\tWHERE ref_id = '{$id}' AND owner_uid = " . $_SESSION["uid"]);
     } else {
         if ($cmode == 1) {
             $this->dbh->query("UPDATE ttrss_user_entries SET\n\t\t\tunread = true\n\t\t\tWHERE ref_id = '{$id}' AND owner_uid = " . $_SESSION["uid"]);
         } else {
             $this->dbh->query("UPDATE ttrss_user_entries SET\n\t\t\tunread = NOT unread,last_read = NOW()\n\t\t\tWHERE ref_id = '{$id}' AND owner_uid = " . $_SESSION["uid"]);
         }
     }
     $feed_id = getArticleFeed($id);
     ccache_update($feed_id, $_SESSION["uid"]);
 }

 /**
  * Purge a feed contents, marked articles excepted.
  *
  * @param mixed $link The database connection.
  * @param integer $id The id of the feed to purge.
  * @return void
  */
 private function clear_feed_articles($id)
 {
     if ($id != 0) {
         $result = $this->dbh->query("DELETE FROM ttrss_user_entries\n\t\t\tWHERE feed_id = '{$id}' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
     } else {
         $result = $this->dbh->query("DELETE FROM ttrss_user_entries\n\t\t\tWHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
     }
     $result = $this->dbh->query("DELETE FROM ttrss_entries WHERE\n\t\t\t(SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
     ccache_update($id, $_SESSION['uid']);
 }

 function updateArticle()
 {
     $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
     $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
     $data = $this->dbh->escape_string($_REQUEST["data"]);
     $field_raw = (int) $this->dbh->escape_string($_REQUEST["field"]);
     $field = "";
     $set_to = "";
     switch ($field_raw) {
         case 0:
             $field = "marked";
             $additional_fields = ",last_marked = NOW()";
             break;
         case 1:
             $field = "published";
             $additional_fields = ",last_published = NOW()";
             break;
         case 2:
             $field = "unread";
             $additional_fields = ",last_read = NOW()";
             break;
         case 3:
             $field = "note";
     }
     switch ($mode) {
         case 1:
             $set_to = "true";
             break;
         case 0:
             $set_to = "false";
             break;
         case 2:
             $set_to = "NOT {$field}";
             break;
     }
     if ($field == "note") {
         $set_to = "'{$data}'";
     }
     if ($field && $set_to && count($article_ids) > 0) {
         $article_ids = join(", ", $article_ids);
         $result = $this->dbh->query("UPDATE ttrss_user_entries SET {$field} = {$set_to} {$additional_fields} WHERE ref_id IN ({$article_ids}) AND owner_uid = " . $_SESSION["uid"]);
         $num_updated = $this->dbh->affected_rows($result);
         if ($num_updated > 0 && $field == "unread") {
             $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries\n\t\t\t\t\tWHERE ref_id IN ({$article_ids})");
             while ($line = $this->dbh->fetch_assoc($result)) {
                 ccache_update($line["feed_id"], $_SESSION["uid"]);
             }
         }
         if ($num_updated > 0 && $field == "published") {
             if (PUBSUBHUBBUB_HUB) {
                 $rss_link = get_self_url_prefix() . "/public.php?op=rss&id=-2&key=" . get_feed_access_key(-2, false);
                 $p = new Publisher(PUBSUBHUBBUB_HUB);
                 $pubsub_result = $p->publish_update($rss_link);
             }
         }
         $this->wrap(self::STATUS_OK, array("status" => "OK", "updated" => $num_updated));
     } else {
         $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
     }
 }

function catchup_feed($feed, $cat_view, $owner_uid = false, $max_id = false, $mode = 'all')
{
    if (!$owner_uid) {
        $owner_uid = $_SESSION['uid'];
    }
    //if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
    // Todo: all this interval stuff needs some generic generator function
    $date_qpart = "false";
    switch ($mode) {
        case "1day":
            if (DB_TYPE == "pgsql") {
                $date_qpart = "date_entered < NOW() - INTERVAL '1 day' ";
            } else {
                $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 DAY) ";
            }
            break;
        case "1week":
            if (DB_TYPE == "pgsql") {
                $date_qpart = "date_entered < NOW() - INTERVAL '1 week' ";
            } else {
                $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 1 WEEK) ";
            }
            break;
        case "2week":
            if (DB_TYPE == "pgsql") {
                $date_qpart = "date_entered < NOW() - INTERVAL '2 week' ";
            } else {
                $date_qpart = "date_entered < DATE_SUB(NOW(), INTERVAL 2 WEEK) ";
            }
            break;
        default:
            $date_qpart = "true";
    }
    if (is_numeric($feed)) {
        if ($cat_view) {
            if ($feed >= 0) {
                if ($feed > 0) {
                    $children = getChildCategories($feed, $owner_uid);
                    array_push($children, $feed);
                    $children = join(",", $children);
                    $cat_qpart = "cat_id IN ({$children})";
                } else {
                    $cat_qpart = "cat_id IS NULL";
                }
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND feed_id IN\n\t\t\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_feeds WHERE {$cat_qpart}) AND {$date_qpart}) as tmp)");
            } else {
                if ($feed == -2) {
                    db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)\n\t\t\t\t\t\t\t\tFROM ttrss_user_labels2, ttrss_entries WHERE article_id = ref_id AND id = ref_id AND {$date_qpart}) > 0\n\t\t\t\t\t\t\t\tAND unread = true AND owner_uid = {$owner_uid}");
                }
            }
        } else {
            if ($feed > 0) {
                db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND feed_id = {$feed} AND {$date_qpart}) as tmp)");
            } else {
                if ($feed < 0 && $feed > LABEL_BASE_INDEX) {
                    // special, like starred
                    if ($feed == -1) {
                        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND marked = true AND {$date_qpart}) as tmp)");
                    }
                    if ($feed == -2) {
                        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND published = true AND {$date_qpart}) as tmp)");
                    }
                    if ($feed == -3) {
                        $intl = get_pref("FRESH_ARTICLE_MAX_AGE");
                        if (DB_TYPE == "pgsql") {
                            $match_part = "date_entered > NOW() - INTERVAL '{$intl} hour' ";
                        } else {
                            $match_part = "date_entered > DATE_SUB(NOW(),\n\t\t\t\t\t\t\t\tINTERVAL {$intl} HOUR) ";
                        }
                        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND score >= 0 AND unread = true AND {$date_qpart} AND {$match_part}) as tmp)");
                    }
                    if ($feed == -4) {
                        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND {$date_qpart}) as tmp)");
                    }
                } else {
                    if ($feed < LABEL_BASE_INDEX) {
                        // label
                        $label_id = feed_to_label_id($feed);
                        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t(SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_user_labels2 WHERE ref_id = id\n\t\t\t\t\t\t\t\t\tAND label_id = '{$label_id}' AND ref_id = article_id\n\t\t\t\t\t\t\t\t\tAND owner_uid = {$owner_uid} AND unread = true AND {$date_qpart}) as tmp)");
                    }
                }
            }
        }
        ccache_update($feed, $owner_uid, $cat_view);
    } else {
        // tag
        db_query("UPDATE ttrss_user_entries\n\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t(SELECT ttrss_entries.id FROM ttrss_entries, ttrss_user_entries, ttrss_tags WHERE ref_id = ttrss_entries.id\n\t\t\t\t\t\t\t\tAND post_int_id = int_id AND tag_name = '{$feed}'\n\t\t\t\t\t\t\t\tAND ttrss_user_entries.owner_uid = {$owner_uid} AND unread = true AND {$date_qpart}) as tmp)");
    }
}

 function view()
 {
     $timing_info = getmicrotime();
     $reply = array();
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("0", $timing_info);
     }
     $omode = db_escape_string($_REQUEST["omode"]);
     $feed = db_escape_string($_REQUEST["feed"]);
     $method = db_escape_string($_REQUEST["m"]);
     $view_mode = db_escape_string($_REQUEST["view_mode"]);
     $limit = (int) get_pref($this->link, "DEFAULT_ARTICLE_LIMIT");
     @($cat_view = $_REQUEST["cat"] == "true");
     @($next_unread_feed = db_escape_string($_REQUEST["nuf"]));
     @($offset = db_escape_string($_REQUEST["skip"]));
     @($vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]));
     $order_by = db_escape_string($_REQUEST["order_by"]);
     $include_children = $_REQUEST["include_children"] == "true";
     if (is_numeric($feed)) {
         $feed = (int) $feed;
     }
     /* Feed -5 is a special case: it is used to display auxiliary information
      * when there's nothing to load - e.g. no stuff in fresh feed */
     if ($feed == -5) {
         print json_encode(generate_dashboard_feed($this->link));
         return;
     }
     $result = false;
     if ($feed < -10) {
         $label_feed = -11 - $feed;
         $result = db_query($this->link, "SELECT id FROM ttrss_labels2 WHERE\r\n\t\t\t\t\t\t\tid = '{$label_feed}' AND owner_uid = " . $_SESSION['uid']);
     } else {
         if (!$cat_view && is_numeric($feed) && $feed > 0) {
             $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE\r\n\t\t\t\t\t\t\tid = '{$feed}' AND owner_uid = " . $_SESSION['uid']);
         } else {
             if ($cat_view && is_numeric($feed) && $feed > 0) {
                 $result = db_query($this->link, "SELECT id FROM ttrss_feed_categories WHERE\r\n\t\t\t\t\t\t\tid = '{$feed}' AND owner_uid = " . $_SESSION['uid']);
             }
         }
     }
     if ($result && db_num_rows($result) == 0) {
         print json_encode(generate_error_feed($this->link, __("Feed not found.")));
         return;
     }
     /* Updating a label ccache means recalculating all of the caches
      * so for performance reasons we don't do that here */
     if ($feed >= 0) {
         ccache_update($this->link, $feed, $_SESSION["uid"], $cat_view);
     }
     set_pref($this->link, "_DEFAULT_VIEW_MODE", $view_mode);
     set_pref($this->link, "_DEFAULT_VIEW_LIMIT", $limit);
     set_pref($this->link, "_DEFAULT_VIEW_ORDER_BY", $order_by);
     set_pref($this->link, "_DEFAULT_INCLUDE_CHILDREN", $include_children);
     if (!$cat_view && is_numeric($feed) && $feed > 0) {
         db_query($this->link, "UPDATE ttrss_feeds SET last_viewed = NOW()\r\n\t\t\t\t\t\t\tWHERE id = '{$feed}' AND owner_uid = " . $_SESSION["uid"]);
     }
     $reply['headlines'] = array();
     if (!$next_unread_feed) {
         $reply['headlines']['id'] = $feed;
     } else {
         $reply['headlines']['id'] = $next_unread_feed;
     }
     $reply['headlines']['is_cat'] = (bool) $cat_view;
     $override_order = false;
     if (get_pref($this->link, "SORT_HEADLINES_BY_FEED_DATE", $owner_uid)) {
         $date_sort_field = "updated";
     } else {
         $date_sort_field = "date_entered";
     }
     switch ($order_by) {
         case "date":
             if (get_pref($this->link, 'REVERSE_HEADLINES', $owner_uid)) {
                 $override_order = "{$date_sort_field}";
             } else {
                 $override_order = "{$date_sort_field} DESC";
             }
             break;
         case "title":
             if (get_pref($this->link, 'REVERSE_HEADLINES', $owner_uid)) {
                 $override_order = "title DESC, {$date_sort_field}";
             } else {
                 $override_order = "title, {$date_sort_field} DESC";
             }
             break;
         case "score":
             if (get_pref($this->link, 'REVERSE_HEADLINES', $owner_uid)) {
                 $override_order = "score, {$date_sort_field}";
             } else {
                 $override_order = "score DESC, {$date_sort_field} DESC";
             }
             break;
     }
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("04", $timing_info);
     }
     $ret = $this->format_headlines_list($feed, $method, $view_mode, $limit, $cat_view, $next_unread_feed, $offset, $vgroup_last_feed, $override_order, $include_children);
     $topmost_article_ids = $ret[0];
     $headlines_count = $ret[1];
     $returned_feed = $ret[2];
     $disable_cache = $ret[3];
//.........这里部分代码省略.........

function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false)
{
    if (!$owner_uid) {
        $owner_uid = $_SESSION["uid"];
    }
    $rv = array();
    $rv['id'] = $id;
    /* we can figure out feed_id from article id anyway, why do we
     * pass feed_id here? let's ignore the argument :( */
    $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries\n\t\t\tWHERE ref_id = '{$id}'");
    $feed_id = (int) db_fetch_result($result, 0, "feed_id");
    $rv['feed_id'] = $feed_id;
    //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
    if ($mark_as_read) {
        $result = db_query($link, "UPDATE ttrss_user_entries\n\t\t\t\tSET unread = false,last_read = NOW()\n\t\t\t\tWHERE ref_id = '{$id}' AND owner_uid = {$owner_uid}");
        ccache_update($link, $feed_id, $owner_uid);
    }
    $result = db_query($link, "SELECT id,title,link,content,feed_id,comments,int_id,\n\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,16) as updated,\n\t\t\t(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,\n\t\t\tnum_comments,\n\t\t\ttag_cache,\n\t\t\tauthor,\n\t\t\torig_feed_id,\n\t\t\tnote,\n\t\t\tcached_content\n\t\t\tFROM ttrss_entries,ttrss_user_entries\n\t\t\tWHERE\tid = '{$id}' AND ref_id = id AND owner_uid = {$owner_uid}");
    if ($result) {
        $line = db_fetch_assoc($result);
        $tag_cache = $line["tag_cache"];
        $line["tags"] = get_article_tags($link, $id, $owner_uid, $line["tag_cache"]);
        unset($line["tag_cache"]);
        $line["content"] = sanitize($link, $line["content"], false, $owner_uid, $line["site_url"]);
        global $pluginhost;
        foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE) as $p) {
            $line = $p->hook_render_article($line);
        }
        $num_comments = $line["num_comments"];
        $entry_comments = "";
        if ($num_comments > 0) {
            if ($line["comments"]) {
                $comments_url = htmlspecialchars($line["comments"]);
            } else {
                $comments_url = htmlspecialchars($line["link"]);
            }
            $entry_comments = "<a target='_blank' href=\"{$comments_url}\">{$num_comments} comments</a>";
        } else {
            if ($line["comments"] && $line["link"] != $line["comments"]) {
                $entry_comments = "<a target='_blank' href=\"" . htmlspecialchars($line["comments"]) . "\">comments</a>";
            }
        }
        if ($zoom_mode) {
            header("Content-Type: text/html");
            $rv['content'] .= "<html><head>\n\t\t\t\t\t\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>\n\t\t\t\t\t\t<title>Tiny Tiny RSS - " . $line["title"] . "</title>\n\t\t\t\t\t\t<link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">\n\t\t\t\t\t</head><body>";
        }
        $title_escaped = htmlspecialchars($line['title']);
        $rv['content'] .= "<div id=\"PTITLE-FULL-{$id}\" style=\"display : none\">" . strip_tags($line['title']) . "</div>";
        $rv['content'] .= "<div class=\"postReply\" id=\"POST-{$id}\">";
        $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-{$id}\">";
        $entry_author = $line["author"];
        if ($entry_author) {
            $entry_author = __(" - ") . $entry_author;
        }
        $parsed_updated = make_local_datetime($link, $line["updated"], true, $owner_uid, true);
        $rv['content'] .= "<div class=\"postDate\">{$parsed_updated}</div>";
        if ($line["link"]) {
            $rv['content'] .= "<div class='postTitle'><a target='_blank'\n\t\t\t\t\ttitle=\"" . htmlspecialchars($line['title']) . "\"\n\t\t\t\t\thref=\"" . htmlspecialchars($line["link"]) . "\">" . $line["title"] . "<span class='author'>{$entry_author}</span></a></div>";
        } else {
            $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "{$entry_author}</div>";
        }
        $tags_str = format_tags_string($line["tags"], $id);
        $tags_str_full = join(", ", $line["tags"]);
        if (!$tags_str_full) {
            $tags_str_full = __("no tags");
        }
        if (!$entry_comments) {
            $entry_comments = "&nbsp;";
        }
        # placeholder
        $rv['content'] .= "<div class='postTags' style='float : right'>\n\t\t\t\t<img src='" . theme_image($link, 'images/tag.png') . "'\n\t\t\t\tclass='tagsPic' alt='Tags' title='Tags'>&nbsp;";
        if (!$zoom_mode) {
            $rv['content'] .= "<span id=\"ATSTR-{$id}\">{$tags_str}</span>\n\t\t\t\t\t<a title=\"" . __('Edit tags for this article') . "\"\n\t\t\t\t\thref=\"#\" onclick=\"editArticleTags({$id}, {$feed_id})\">(+)</a>";
            $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"\n\t\t\t\t\tid=\"ATSTRTIP-{$id}\" connectId=\"ATSTR-{$id}\"\n\t\t\t\t\tposition=\"below\">{$tags_str_full}</div>";
            global $pluginhost;
            foreach ($pluginhost->get_hooks($pluginhost::HOOK_ARTICLE_BUTTON) as $p) {
                $rv['content'] .= $p->hook_article_button($line);
            }
        } else {
            $tags_str = strip_tags($tags_str);
            $rv['content'] .= "<span id=\"ATSTR-{$id}\">{$tags_str}</span>";
        }
        $rv['content'] .= "</div>";
        $rv['content'] .= "<div clear='both'>{$entry_comments}</div>";
        if ($line["orig_feed_id"]) {
            $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds\n\t\t\t\t\tWHERE id = " . $line["orig_feed_id"]);
            if (db_num_rows($tmp_result) != 0) {
                $rv['content'] .= "<div clear='both'>";
                $rv['content'] .= __("Originally from:");
                $rv['content'] .= "&nbsp;";
                $tmp_line = db_fetch_assoc($tmp_result);
                $rv['content'] .= "<a target='_blank'\n\t\t\t\t\t\thref=' " . htmlspecialchars($tmp_line['site_url']) . "'>" . $tmp_line['title'] . "</a>";
                $rv['content'] .= "&nbsp;";
                $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
                $rv['content'] .= "<img title='" . __('Feed URL') . "'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
                $rv['content'] .= "</div>";
            }
        }
        $rv['content'] .= "</div>";
        $rv['content'] .= "<div id=\"POSTNOTE-{$id}\">";
//.........这里部分代码省略.........

 function view()
 {
     $timing_info = microtime(true);
     $reply = array();
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("0", $timing_info);
     }
     $feed = $this->dbh->escape_string($_REQUEST["feed"]);
     $method = $this->dbh->escape_string($_REQUEST["m"]);
     $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
     $limit = 30;
     @($cat_view = $_REQUEST["cat"] == "true");
     @($next_unread_feed = $this->dbh->escape_string($_REQUEST["nuf"]));
     @($offset = $this->dbh->escape_string($_REQUEST["skip"]));
     @($vgroup_last_feed = $this->dbh->escape_string($_REQUEST["vgrlf"]));
     $order_by = $this->dbh->escape_string($_REQUEST["order_by"]);
     if (is_numeric($feed)) {
         $feed = (int) $feed;
     }
     /* Feed -5 is a special case: it is used to display auxiliary information
      * when there's nothing to load - e.g. no stuff in fresh feed */
     if ($feed == -5) {
         print json_encode($this->generate_dashboard_feed());
         return;
     }
     $result = false;
     if ($feed < LABEL_BASE_INDEX) {
         $label_feed = feed_to_label_id($feed);
         $result = $this->dbh->query("SELECT id FROM ttrss_labels2 WHERE\n\t\t\t\t\t\t\tid = '{$label_feed}' AND owner_uid = " . $_SESSION['uid']);
     } else {
         if (!$cat_view && is_numeric($feed) && $feed > 0) {
             $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE\n\t\t\t\t\t\t\tid = '{$feed}' AND owner_uid = " . $_SESSION['uid']);
         } else {
             if ($cat_view && is_numeric($feed) && $feed > 0) {
                 $result = $this->dbh->query("SELECT id FROM ttrss_feed_categories WHERE\n\t\t\t\t\t\t\tid = '{$feed}' AND owner_uid = " . $_SESSION['uid']);
             }
         }
     }
     if ($result && $this->dbh->num_rows($result) == 0) {
         print json_encode($this->generate_error_feed(__("Feed not found.")));
         return;
     }
     /* Updating a label ccache means recalculating all of the caches
      * so for performance reasons we don't do that here */
     if ($feed >= 0) {
         ccache_update($feed, $_SESSION["uid"], $cat_view);
     }
     set_pref("_DEFAULT_VIEW_MODE", $view_mode);
     set_pref("_DEFAULT_VIEW_ORDER_BY", $order_by);
     /* bump login timestamp if needed */
     if (time() - $_SESSION["last_login_update"] > 3600) {
         $this->dbh->query("UPDATE ttrss_users SET last_login = NOW() WHERE id = " . $_SESSION["uid"]);
         $_SESSION["last_login_update"] = time();
     }
     if (!$cat_view && is_numeric($feed) && $feed > 0) {
         $this->dbh->query("UPDATE ttrss_feeds SET last_viewed = NOW()\n\t\t\t\t\t\t\tWHERE id = '{$feed}' AND owner_uid = " . $_SESSION["uid"]);
     }
     $reply['headlines'] = array();
     if (!$next_unread_feed) {
         $reply['headlines']['id'] = $feed;
     } else {
         $reply['headlines']['id'] = $next_unread_feed;
     }
     $reply['headlines']['is_cat'] = (bool) $cat_view;
     $override_order = false;
     switch ($order_by) {
         case "title":
             $override_order = "ttrss_entries.title";
             break;
         case "date_reverse":
             $override_order = "score DESC, date_entered, updated";
             break;
         case "feed_dates":
             $override_order = "updated DESC";
             break;
     }
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("04", $timing_info);
     }
     $ret = $this->format_headlines_list($feed, $method, $view_mode, $limit, $cat_view, $next_unread_feed, $offset, $vgroup_last_feed, $override_order, true);
     //$topmost_article_ids = $ret[0];
     $headlines_count = $ret[1];
     /* $returned_feed = $ret[2]; */
     $disable_cache = $ret[3];
     $vgroup_last_feed = $ret[4];
     $reply['headlines']['content'] =& $ret[5]['content'];
     $reply['headlines']['toolbar'] =& $ret[5]['toolbar'];
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("05", $timing_info);
     }
     $reply['headlines-info'] = array("count" => (int) $headlines_count, "vgroup_last_feed" => $vgroup_last_feed, "disable_cache" => (bool) $disable_cache);
     if ($_REQUEST["debug"]) {
         $timing_info = print_checkpoint("30", $timing_info);
     }
     $reply['runtime-info'] = make_runtime_info();
     print json_encode($reply);
 }

function ccache_update($link, $feed_id, $owner_uid, $is_cat = false, $update_pcat = true)
{
    if (!is_numeric($feed_id)) {
        return;
    }
    if (!$is_cat && $feed_id > 0) {
        $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds \n\t\t\t\tWHERE id = '{$feed_id}'");
        $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
    }
    $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
    /* When updating a label, all we need to do is recalculate feed counters
     * because labels are not cached */
    if ($feed_id < 0) {
        ccache_update_all($link, $owner_uid);
        return;
    }
    if (!$is_cat) {
        $table = "ttrss_counters_cache";
    } else {
        $table = "ttrss_cat_counters_cache";
    }
    if ($is_cat && $feed_id >= 0) {
        if ($feed_id != 0) {
            $cat_qpart = "cat_id = '{$feed_id}'";
        } else {
            $cat_qpart = "cat_id IS NULL";
        }
        /* Recalculate counters for child feeds */
        $result = db_query($link, "SELECT id FROM ttrss_feeds\n\t\t\t\t\t\tWHERE owner_uid = '{$owner_uid}' AND {$cat_qpart}");
        while ($line = db_fetch_assoc($result)) {
            ccache_update($link, $line["id"], $owner_uid, false, false);
        }
        $result = db_query($link, "SELECT SUM(value) AS sv \n\t\t\t\tFROM ttrss_counters_cache, ttrss_feeds \n\t\t\t\tWHERE id = feed_id AND {$cat_qpart} AND \n\t\t\t\tttrss_feeds.owner_uid = '{$owner_uid}'");
        $unread = (int) db_fetch_result($result, 0, "sv");
    } else {
        $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
    }
    db_query($link, "BEGIN");
    $result = db_query($link, "SELECT feed_id FROM {$table}\n\t\t\tWHERE owner_uid = '{$owner_uid}' AND feed_id = '{$feed_id}' LIMIT 1");
    if (db_num_rows($result) == 1) {
        db_query($link, "UPDATE {$table} SET\n\t\t\t\tvalue = '{$unread}', updated = NOW() WHERE\n\t\t\t\tfeed_id = '{$feed_id}' AND owner_uid = '{$owner_uid}'");
    } else {
        db_query($link, "INSERT INTO {$table}\n\t\t\t\t(feed_id, value, owner_uid, updated) \n\t\t\t\tVALUES \n\t\t\t\t({$feed_id}, {$unread}, {$owner_uid}, NOW())");
    }
    db_query($link, "COMMIT");
    if ($feed_id > 0 && $prev_unread != $unread) {
        if (!$is_cat) {
            /* Update parent category */
            if ($update_pcat) {
                $result = db_query($link, "SELECT cat_id FROM ttrss_feeds\n\t\t\t\t\t\tWHERE owner_uid = '{$owner_uid}' AND id = '{$feed_id}'");
                $cat_id = (int) db_fetch_result($result, 0, "cat_id");
                ccache_update($link, $cat_id, $owner_uid, true);
            }
        }
    } else {
        if ($feed_id < 0) {
            ccache_update_all($link, $owner_uid);
        }
    }
    return $unread;
}

function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false)
{
    if (!$owner_uid) {
        $owner_uid = $_SESSION["uid"];
    }
    $rv = array();
    $rv['id'] = $id;
    /* we can figure out feed_id from article id anyway, why do we
     * pass feed_id here? let's ignore the argument :(*/
    $result = db_query("SELECT feed_id FROM ttrss_user_entries\n\t\t\tWHERE ref_id = '{$id}'");
    $feed_id = (int) db_fetch_result($result, 0, "feed_id");
    $rv['feed_id'] = $feed_id;
    //if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
    if ($mark_as_read) {
        $result = db_query("UPDATE ttrss_user_entries\n\t\t\t\tSET unread = false,last_read = NOW()\n\t\t\t\tWHERE ref_id = '{$id}' AND owner_uid = {$owner_uid}");
        ccache_update($feed_id, $owner_uid);
    }
    $result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,\n\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,16) as updated,\n\t\t\t(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,\n\t\t\t(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,\n\t\t\t(SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,\n\t\t\tnum_comments,\n\t\t\ttag_cache,\n\t\t\tauthor,\n\t\t\torig_feed_id,\n\t\t\tnote\n\t\t\tFROM ttrss_entries,ttrss_user_entries\n\t\t\tWHERE\tid = '{$id}' AND ref_id = id AND owner_uid = {$owner_uid}");
    if ($result) {
        $line = db_fetch_assoc($result);
        $tag_cache = $line["tag_cache"];
        $line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
        unset($line["tag_cache"]);
        $line["content"] = sanitize($line["content"], sql_bool_to_bool($line['hide_images']), $owner_uid, $line["site_url"]);
        foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
            $line = $p->hook_render_article($line);
        }
        $num_comments = $line["num_comments"];
        $entry_comments = "";
        if ($num_comments > 0) {
            if ($line["comments"]) {
                $comments_url = htmlspecialchars($line["comments"]);
            } else {
                $comments_url = htmlspecialchars($line["link"]);
            }
            $entry_comments = "<a target='_blank' href=\"{$comments_url}\">{$num_comments} comments</a>";
        } else {
            if ($line["comments"] && $line["link"] != $line["comments"]) {
                $entry_comments = "<a target='_blank' href=\"" . htmlspecialchars($line["comments"]) . "\">comments</a>";
            }
        }
        if ($zoom_mode) {
            header("Content-Type: text/html");
            $rv['content'] .= "<html><head>\n\t\t\t\t\t\t<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>\n\t\t\t\t\t\t<title>Tiny Tiny RSS - " . $line["title"] . "</title>\n\t\t\t\t\t\t<link rel=\"stylesheet\" type=\"text/css\" href=\"css/tt-rss.css\">\n\t\t\t\t\t\t<script type=\"text/javascript\">\n\t\t\t\t\t\tfunction openSelectedAttachment(elem) {\n\t\t\t\t\t\t\ttry {\n\t\t\t\t\t\t\t\tvar url = elem[elem.selectedIndex].value;\n\n\t\t\t\t\t\t\t\tif (url) {\n\t\t\t\t\t\t\t\t\twindow.open(url);\n\t\t\t\t\t\t\t\t\telem.selectedIndex = 0;\n\t\t\t\t\t\t\t\t}\n\n\t\t\t\t\t\t\t} catch (e) {\n\t\t\t\t\t\t\t\texception_error(\"openSelectedAttachment\", e);\n\t\t\t\t\t\t\t}\n\t\t\t\t\t\t}\n\t\t\t\t\t</script>\n\t\t\t\t\t</head><body id=\"ttrssZoom\">";
        }
        $rv['content'] .= "<div class=\"postReply\" id=\"POST-{$id}\">";
        $rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-{$id}\">";
        $entry_author = $line["author"];
        if ($entry_author) {
            $entry_author = __(" - ") . $entry_author;
        }
        $parsed_updated = make_local_datetime($line["updated"], true, $owner_uid, true);
        $rv['content'] .= "<div class=\"postDate\">{$parsed_updated}</div>";
        if ($line["link"]) {
            $rv['content'] .= "<div class='postTitle'><a target='_blank'\n\t\t\t\t\ttitle=\"" . htmlspecialchars($line['title']) . "\"\n\t\t\t\t\thref=\"" . htmlspecialchars($line["link"]) . "\">" . $line["title"] . "</a>" . "<span class='author'>{$entry_author}</span></div>";
        } else {
            $rv['content'] .= "<div class='postTitle'>" . $line["title"] . "{$entry_author}</div>";
        }
        $tags_str = format_tags_string($line["tags"], $id);
        $tags_str_full = join(", ", $line["tags"]);
        if (!$tags_str_full) {
            $tags_str_full = __("no tags");
        }
        if (!$entry_comments) {
            $entry_comments = "&nbsp;";
        }
        # placeholder
        $rv['content'] .= "<div class='postTags' style='float : right'>\n\t\t\t\t<img src='images/tag.png'\n\t\t\t\tclass='tagsPic' alt='Tags' title='Tags'>&nbsp;";
        if (!$zoom_mode) {
            $rv['content'] .= "<span id=\"ATSTR-{$id}\">{$tags_str}</span>\n\t\t\t\t\t<a title=\"" . __('Edit tags for this article') . "\"\n\t\t\t\t\thref=\"#\" onclick=\"editArticleTags({$id}, {$feed_id})\">(+)</a>";
            $rv['content'] .= "<div dojoType=\"dijit.Tooltip\"\n\t\t\t\t\tid=\"ATSTRTIP-{$id}\" connectId=\"ATSTR-{$id}\"\n\t\t\t\t\tposition=\"below\">{$tags_str_full}</div>";
            foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
                $rv['content'] .= $p->hook_article_button($line);
            }
        } else {
            $tags_str = strip_tags($tags_str);
            $rv['content'] .= "<span id=\"ATSTR-{$id}\">{$tags_str}</span>";
        }
        $rv['content'] .= "</div>";
        $rv['content'] .= "<div clear='both'>";
        foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
            $rv['content'] .= $p->hook_article_left_button($line);
        }
        $rv['content'] .= "{$entry_comments}</div>";
        if ($line["orig_feed_id"]) {
            $tmp_result = db_query("SELECT * FROM ttrss_archived_feeds\n\t\t\t\t\tWHERE id = " . $line["orig_feed_id"]);
            if (db_num_rows($tmp_result) != 0) {
                $rv['content'] .= "<div clear='both'>";
                $rv['content'] .= __("Originally from:");
                $rv['content'] .= "&nbsp;";
                $tmp_line = db_fetch_assoc($tmp_result);
                $rv['content'] .= "<a target='_blank'\n\t\t\t\t\t\thref=' " . htmlspecialchars($tmp_line['site_url']) . "'>" . $tmp_line['title'] . "</a>";
                $rv['content'] .= "&nbsp;";
                $rv['content'] .= "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
                $rv['content'] .= "<img title='" . __('Feed URL') . "'class='tinyFeedIcon' src='images/pub_set.svg'></a>";
                $rv['content'] .= "</div>";
            }
        }
        $rv['content'] .= "</div>";
        $rv['content'] .= "<div id=\"POSTNOTE-{$id}\">";
//.........这里部分代码省略.........

 function updateArticle()
 {
     $article_ids = array_filter(explode(",", db_escape_string($_REQUEST["article_ids"])), is_numeric);
     $mode = (int) db_escape_string($_REQUEST["mode"]);
     $data = db_escape_string($_REQUEST["data"]);
     $field_raw = (int) db_escape_string($_REQUEST["field"]);
     $field = "";
     $set_to = "";
     switch ($field_raw) {
         case 0:
             $field = "marked";
             break;
         case 1:
             $field = "published";
             break;
         case 2:
             $field = "unread";
             break;
         case 3:
             $field = "note";
     }
     switch ($mode) {
         case 1:
             $set_to = "true";
             break;
         case 0:
             $set_to = "false";
             break;
         case 2:
             $set_to = "NOT {$field}";
             break;
     }
     if ($field == "note") {
         $set_to = "'{$data}'";
     }
     if ($field && $set_to && count($article_ids) > 0) {
         $article_ids = join(", ", $article_ids);
         if ($field == "unread") {
             $result = db_query($this->link, "UPDATE ttrss_user_entries SET {$field} = {$set_to},\n\t\t\t\t\tlast_read = NOW()\n\t\t\t\t\tWHERE ref_id IN ({$article_ids}) AND owner_uid = " . $_SESSION["uid"]);
         } else {
             $result = db_query($this->link, "UPDATE ttrss_user_entries SET {$field} = {$set_to}\n\t\t\t\t\tWHERE ref_id IN ({$article_ids}) AND owner_uid = " . $_SESSION["uid"]);
         }
         $num_updated = db_affected_rows($this->link, $result);
         if ($num_updated > 0 && $field == "unread") {
             $result = db_query($this->link, "SELECT DISTINCT feed_id FROM ttrss_user_entries\n\t\t\t\t\tWHERE ref_id IN ({$article_ids})");
             while ($line = db_fetch_assoc($result)) {
                 ccache_update($this->link, $line["feed_id"], $_SESSION["uid"]);
             }
         }
         print $this->wrap(self::STATUS_OK, array("status" => "OK", "updated" => $num_updated));
     } else {
         print $this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
     }
 }

 $omode = db_escape_string($_REQUEST["omode"]);
 $feed = db_escape_string($_REQUEST["feed"]);
 $subop = db_escape_string($_REQUEST["subop"]);
 $view_mode = db_escape_string($_REQUEST["view_mode"]);
 $limit = (int) get_pref($link, "DEFAULT_ARTICLE_LIMIT");
 $cat_view = db_escape_string($_REQUEST["cat"]);
 $next_unread_feed = db_escape_string($_REQUEST["nuf"]);
 $offset = db_escape_string($_REQUEST["skip"]);
 $vgroup_last_feed = db_escape_string($_REQUEST["vgrlf"]);
 $csync = $_REQUEST["csync"];
 $order_by = db_escape_string($_REQUEST["order_by"]);
 /* Updating a label ccache means recalculating all of the caches
  * so for performance reasons we don't do that here */
 //			if (time() - $_SESSION["viewfeed:ccache_update_stamp"] > 120) {
 if ($feed >= 0) {
     ccache_update($link, $feed, $_SESSION["uid"], $cat_view);
 }
 $_SESSION["viewfeed:ccache_update_stamp"] = time();
 //			}
 set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
 set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 set_pref($link, "_DEFAULT_VIEW_ORDER_BY", $order_by);
 if (!$cat_view && preg_match("/^[0-9][0-9]*\$/", $feed)) {
     db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()\n\t\t\t\t\tWHERE id = '{$feed}' AND owner_uid = " . $_SESSION["uid"]);
 }
 if (!$next_unread_feed) {
     print "<headlines id=\"{$feed}\" is_cat=\"{$cat_view}\"><![CDATA[";
 } else {
     print "<headlines id=\"{$next_unread_feed}\" is_cat=\"{$cat_view}\"><![CDATA[";
 }
 $override_order = false;

 function setFeed($id, $cat, $before = 0)
 {
     // if before is zero, set it to now so feeds all items are read from before this point in time
     if ($before == 0) {
         $before = time();
     }
     if (is_numeric($id)) {
         // this is a category
         if ($cat) {
             // if not special feed
             if ($id > 0) {
                 db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\tAND owner_uid = '" . db_escape_string($_SESSION["uid"]) . "' AND unread = true AND feed_id IN\n\t\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_feeds WHERE cat_id IN (" . intval($id) . ")) AND date_entered < '" . date("Y-m-d H:i:s", $before) . "' ) as tmp)");
             } else {
                 if ($id == 0) {
                     $id = -4;
                     db_query("UPDATE ttrss_user_entries\n\t\t\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\t\t\tAND owner_uid = '" . db_escape_string($_SESSION["uid"]) . "' AND unread = true AND date_entered < '" . date("Y-m-d H:i:s", $before) . "' ) as tmp)");
                 }
             }
         } else {
             if ($id > 0) {
                 db_query("UPDATE ttrss_user_entries\n\t\t\t\t\tSET unread = false, last_read = NOW() WHERE ref_id IN\n\t\t\t\t\t\t(SELECT id FROM\n\t\t\t\t\t\t\t(SELECT id FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id\n\t\t\t\t\t\t\t\tAND owner_uid = '" . db_escape_string($_SESSION["uid"]) . "' AND unread = true AND feed_id = " . intval($id) . " AND date_entered < '" . date("Y-m-d H:i:s", $before) . "' ) as tmp)");
             }
         }
         ccache_update($id, $_SESSION["uid"], $cat);
     }
 }

         case 2:
             $set_to = "NOT {$field}";
             break;
     }
     if ($field && $set_to && count($article_ids) > 0) {
         $article_ids = join(", ", $article_ids);
         if ($field == "unread") {
             $result = db_query($link, "UPDATE ttrss_user_entries SET {$field} = {$set_to},\n\t\t\t\t\t\tlast_read = NOW()\n\t\t\t\t\t\tWHERE ref_id IN ({$article_ids}) AND owner_uid = " . $_SESSION["uid"]);
         } else {
             $result = db_query($link, "UPDATE ttrss_user_entries SET {$field} = {$set_to}\n\t\t\t\t\t\tWHERE ref_id IN ({$article_ids}) AND owner_uid = " . $_SESSION["uid"]);
         }
         $num_updated = db_affected_rows($link, $result);
         if ($num_updated > 0 && $field == "unread") {
             $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries\n\t\t\t\t\t\tWHERE ref_id IN ({$article_ids})");
             while ($line = db_fetch_assoc($result)) {
                 ccache_update($link, $line["feed_id"], $_SESSION["uid"]);
             }
         }
         print api_wrap_reply(API_STATUS_OK, $seq, array("status" => "OK", "updated" => $num_updated));
     } else {
         print api_wrap_reply(API_STATUS_ERR, $seq, array("error" => 'INCORRECT_USAGE'));
     }
     break;
 case "getArticle":
     $article_id = join(",", array_filter(explode(",", db_escape_string($_REQUEST["article_id"])), is_numeric));
     $query = "SELECT id,title,link,content,feed_id,comments,int_id,\n\t\t\t\tmarked,unread,published,\n\t\t\t\t" . SUBSTRING_FOR_DATE . "(updated,1,16) as updated,\n\t\t\t\tauthor\n\t\t\t\tFROM ttrss_entries,ttrss_user_entries\n\t\t\t\tWHERE\tid IN ({$article_id}) AND ref_id = id AND owner_uid = " . $_SESSION["uid"];
     $result = db_query($link, $query);
     $articles = array();
     if (db_num_rows($result) != 0) {
         while ($line = db_fetch_assoc($result)) {
             $attachments = get_article_enclosures($link, $line['id']);